4 Pack - 19.5 ounce NY Barrel Mug, Blue with White Interior Set of 4 Beautiful Barrel Mugs that are Matte Blue with a White Interior Great Gift of 19.5 ounce Barrel Mugs Dishwasher and Microwave Safe Manufacturer listed capacity is 19.5 ounces "to the brim" Practical usable capacity is closer to 16 ounces